<footer>
  <div class="about">
    <ul id="u">
      <li><a>所有社团</a></li>|<li><a href="{$base_url}Recuit"><b>中南易班</b></a></li>|<li><a href="http://yiban.csu.edu.cn/yiban/chat">联系我们</a></li>
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    <script type="text/javascript">
    //定义一个二维数组
        var city=[
          {foreach $description.zu as $all}
            [
              {foreach $all as $only}
              "{$only.title}",
              {/foreach}
            ],
          {/foreach}
        ];
        function getCity(){
            var sltCountry=document.myform.goal_bumen;   //获得部门下拉框的对象
            var sltCity=document.myform.goal_zu;     //获得组下拉框的对象
            var country=city[sltCountry.selectedIndex-1];    //得到对应部门的组的数组
            sltCity.length=1;    //清空组下拉框，仅留提示选项。
            //通过for循环，将组中的值填充到zu下拉框中
            for(var i=0;i<country.length;i++){
                sltCity[i+1]=new Option(country[i],country[i]);
            }
        }
    </script>
    <script src="{$base_url}js/recuit/jquery-3.2.1.js"></script>
    <script src="{$base_url}js/recuit/bootstrap.min.js"></script>
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